3a, Collingbourne Road, Hammersmith And Fulham, London, W12 0JG

3a is a four-bedroom mid-terrace house in Hammersmith And Fulham, London, London (W12 0JG). It has a recorded floor area of 112 m² (around 1206 sq ft) and construction records dating it to 1900-1929. At 112 m² this is the 47th smallest of 48 units on EPC record in the building, where floor areas span 32–136 m². The building's EPC ratings span E to C, with this unit at the bottom. Other recorded features include a balcony. The latest certificate (September 2018) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 71), a 2-band jump.

At 112 m² the property is well over the postcode median (71 m² across 48 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2012. Past consents include an extension, meaningful when judging how the property has evolved. Across 1995–2019, sale prices on this property compounded at 9.2% per year. Today's modelled estimate of £784,000 is 11.7% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£582/sq ft) was about 57.8% above the typical sold price in the postcode. Last sale on file: £702,000 in July 2019.